Humidifier/flow generator



FIG. 1 is a perspective view of a flow generator/humidifier according to an embodiment of our design;

FIG. 2 is a top view thereof; and,

FIG. 3 is a right side view thereof.

Where included, broken lines showing environment or structure are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a humidifier/flow generator, as shown and described. 